SKB Sports Dry-Tek Pistol Case, 12X6.75, Black 2SKB-HG12-BK The SKB Dry-Tek Handgun / Pistol Bags feature the patented Dry-Tek Difference. The two-layer padding will work in tandem to draw moisture from the inner bag. The inner pad layer enables water to pass through to the outer layer where a remarkable one-way laminate membrane applied to the outer layer allows water molecules to exit the bag" but not to enter. The result" your gun stays dry!